# NTSB DEN81FA022: Bell 206A, N7881S, Evanston, WY, March 16, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 16, 1981
- Place: Evanston, WY · EVANSTON, WY
- Location: 41.2594° N, 110.9643° W: Placed by OpenAirDocs: center of Evanston, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2594&lon=-110.9643&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report April 26, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 126569
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FA022
- Page: https://openairdocs.org/ntsb/DEN81FA022

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3559  81/3/16  NR.EVANSTON,WY        BELL 206A           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 35, 5440
        TIME - 1630                    N7881S              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 865 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EVANSTON,WY                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           POWERPLANT - FUEL SYSTEM: RAM AIR ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
        FACTOR(S)
           WEATHER - FOG
           WEATHER - SNOW
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  800
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              23
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       30
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- CONTD FLT INTO HVY SNW.ENG AIR INDUCTION SYS DEFLECTOR KIT NOT INSTALLED.
```

## Aircraft

- Registration: [N7881S](https://openairdocs.org/deregistered/N7881S-2005-01-20), registration cancelled 2005-01-20, S/N 68, built 1967 (OpenAirDocs)
- Reported make and model: BELL 206A
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (OpenAirDocs)
- Registry engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810316010199A](https://openairdocs.org/incident/19810316010199A), Mar 16, 1981: Bell 206A, Evanston, WY, Substantial damage. Air intake clogged while flying in heavy snow at low altitide. Hard landing. Not equipped with snow deflector kit.

## Other investigations on N7881S (3)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW94T#A01](https://openairdocs.org/ntsb/FTW94T%23A01), Jun 26, 1994: Bell 206A (N7881S), Estes Park, CO, substantial damage
- [NTSB MIA75DKG90](https://openairdocs.org/ntsb/MIA75DKG90), Jun 25, 1974: Bell 206A (N7881S), Blairsville, GA, substantial damage
- [NTSB MKC74DCJ19](https://openairdocs.org/ntsb/MKC74DCJ19), Dec 2, 1973: Bell 206A (N7881S), North Platte, NE, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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